package com.surfilter.massdata.es.core.util;

public class StringUtil {
	public static boolean isNotNull(String str){
		if (str != null && (!"".equals(str))) {
			return true;
		}
		return false;
		
	}
	
	public static boolean isNull(String str){
		if (str == null || "".equals(str)) {
			return true;
		}
		return false;
		
	}
}
